| Deposit ID | 10078524 |
|---|---|
| MRDS ID | W026891 |
| Record type | Site |
| Current site name | Las Grullas |
| Alternate or previous names | Cerro Las Grullas, Las Tetas, La Mina |
| Geographic coordinates: | -63.22858, 7.22621 (WGS84) |
|---|---|
| Relative position | ABOUT 25 KM E OF CERRO BOLIVAR; 45 KM NW OF EL PAO; 25 KM NW OF UPATA |
Political divisions (FIPS codes)
Bolivar(province)
Venezuela(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Venezuela | Bolivar |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Quartz | Gangue |
| Model code | 188 |
|---|---|
| USGS model code | 28b |
| Deposit model name | Algoma Fe |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Gneiss | ||||
| Rock unit name | Imataca Complex | ||||
| Rock description | Imataca Complex | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -63.22858, 7.22621 |
|---|
| General form | LENSES |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| District name | San Isidro Iron Quadrilateral |
|---|
| Type | Operator |
|---|---|
| Owner | Orinoco Mining Co. 1945-1952, 123 Exploration Holes |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1970 | ||||||||||||||
| Indicated | 50000000000mt ore | ||||||||||||||
| |||||||||||||||
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1986 | ||||||||||||||
| Total resources | 35934796000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W026891 |
ALVARADO, BENJAMIN, 1970, IRON ORE DEPOSITS IN SOUTH AMERICA, IN SURVEY OF WORLD IRON ORE RESOURCES -- OCCURRENCE AND APPRAISAL: NEW YORK, UNITED NATIONS, P. 302-380.
FERENCIC, ANTE J., 1969, GEOLOGY OF THE SAN ISIDRO IRON DEPOSIT, VENEZUELA: MINERALIUM DEPOSITA, V. 4 , NO. 3, P. 283-297.
RODRIGUEZ M., S.E., 1986, RECURSOS MINERALES DE VENEZUELA: MINISTERIO DE ENERGIA Y MINAS BOLETIN DE GEOLOGIA, V. 15, NO. 27, 228 P.
CIMRI
ALVARADO,1970; RODRIGUEZ, M., 1986
| Subject category | Comment text |
|---|---|
| Deposit | LENSES OF HARD ORE ARE FOUND WITH IRON FORMATION AND ARE PROBABLY OF SIMULTANEOUS ORIGIN. TWO ORE BODIES: LAS TETAS WITH 176 MILLION TONNES AND LA MINA WITH 12.5 MILLION TONNES. |
| Deposit | THIS IS ONE OF NINE DEPOSITS IN THE SAN ISIDRO IRON QUADRILATERAL, SEE THAT MRDS FORM FOR ADDITIONAL INFORMATION. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1973 | Cooper, Margaret | U.S. Geological Survey | |
| Updater | 01-OCT-1989 | Bolm, Karen S. | U.S. Geological Survey | |
| Updater | 01-SEP-1991 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.